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When the one ore lead (ii) sulfide burns in ixygen, the products are lead (ii) oxide and sulfur dioxide
A. How many grams of oxygen are required to react with 0.126 mole lead (ii) sulfide?
B. How many grams of sulfur dioxide can be produced when 65.0 g lead (ii) sulfide react?
C. How many grams of lead (ii) sulfide are used to produce 123g lead(ii) oxide?
the reaction is spontaneous below a certain temperature. Calculate that temperature. values are for delta H and delta S respectively.
how many grams of solid NaOCl must be added to 50 mL of .14 molar HOCl to obtain a buffer solution with a pH of 7.49.
describe how these three ions can be separated by adding NaI solution. Which will precipitate out first and last? Please solve and show EVERY step of the solution
what is the molar mass of the protein? A solution of 7.50 mg of a small protein in 5.00 ml of aqueous solution has an osmotic pressure of 6.80 torr at 23.1 degrees celcius.
Explain how you would carry out these two reactions and why you obtain the products you indicate
Assuming that the calibration curve passes through the origin, what absorbance would be recorded for a solution with a Pb(NO_3_)_2_ concentration of 0.335 M.
Calculate the value of heat of vaporization for this liquid Calculate the normal boiling point of this liquid.
determine the pressure exerted by 1.80 mol of gas in a 2.92-L container at 32.0 degrees celsius.
An electron is confined to a one dimensional box of length L. It falls from the second energy level to the ground state, and releasee a photon with a wavelength of 322 nm
100 mol/h of n-octane is burned in 80.0% excess air to 95.0% conversion. What is the molar flow rate of N2 in the stack gas if The n-octane is converted to a mixture carbon monoxide, carbon dioxide, and water, where the ratio of CO2 to CO is 4:1?
A 100.0 mL sample of 0.18 M HClO4 is titrated with 0.27 M LiOH. Determine the pH of the solution before the addition of any LiOH.
A student wishes to make a soution of lithium hydroxide (LiOH) to a strength of 1.7 mol/L. If he is going to make a total volume of 1.5 L
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